When you take into consideration your to run goals, you may be a beginner that is aiming to run their an initial 5-mile race.

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If you are much more experienced, you may be working towards a 10-mile race or a half-marathon—13 miles. Next up ~ above the perform is a marathon, i beg your pardon is just over 26 mile long.

If you have currently run a marathon, you may be wonder what’s next. And also you may have heard of ultra marathons. Generally, one ultra is 50 to 100 mile long, which could be intimidating – it’s practically twice the length of a marathon.

But technically, one ultra marathon is any distance much longer than a marathon. And the next longest race distance after a marathon is the 50k.

Although kilometers is a metric measurement rather of royal (what’s used in the USA) this is a common race street that’s a logical following step after ~ a marathon. It’s especially usual in the trail-running world.

So just how long is a 50k?

Well, a 5k is 3.1 miles, right? So simply multiply by ten.

A gyeongju of 50 kilometers is 31 miles. If you’re paying fist to decimal places, it’s in reality closer to 31.07 miles.

This is just slightly much longer than a marathon, therefore it provides sense the it would be a logical next step as soon as you have completed a marathon and also are looking for a new distance challenge.

How lengthy would it require to run this distance on a level course?

The time that takes an separation, personal, instance to run a 50k depends on your training, the weather, what they ate the day before, and how they’re feeling on the day. However we can assume that most runners that the very same skill level would usually loss into a similar category.

Runners who have actually a an excellent deal of suffer behind them and also have accumulated the stamina should be able to run a 7:00 to 7:15 minute mile top top a level course. This converts to between 3:37 and 3:45 for 50k. However that’s nice brisk.

Intermediate runners who deserve to run an 8-minute mile and also sustain their speed for the size of a 50k can end up it in 4:08. A 10-minute/mile runner who keeps their pace would make 5:10.

A speedy walker can take almost everywhere from 6:30 and also up to finish a 50k race. For slower walkers, you have the right to expect a 10-hour race.

Keep in mind that many 50ks you’ll uncover are trail races, and your speed on trails will certainly be 25-50% slower than your speed on the road.

How long would it require to run it on a hilly or trail course?

It is usually much much easier to sustain your pace once running top top a flat course. However when the food incorporates hills, trails, or unstable terrain, the moment it bring away to end up the course will increase.

Jack Daniels (no relation to the drink, or to the Whiskey basin 60k!), a well-known running coach that wrote the popular Daniels running Formula, has created a preeminence to help runners estimate how a hilly food will impact their to run time.

According to Daniels’ rule, a jogger will shed 12 come 15 secs for every percent of incline top top the course. ~ above the other hand, every percent of decrease will speed you up by 8 seconds.

For example, if the 50k course has just a solitary percent incline on each mile, you can lose 6 come 8 minute on your last time. However if, because that example, the race is in a loop and half of the is lean and half is declined, you’ll just lose about a minute come a minute-and-a-half on your usual flat-course time.

Trail running is normally slower than road running as result of rougher terrain and an ext varied elevations. Runners often tend to incorporate walking into steeper uphill sections as well.

In basic terms, trails with reduced elevations can add between 10 and also 30 percent to her usual time, while higher-elevation process can add 30 to 60 percent.

Trail ultras

You do get ultramarathons that are run on the road. But the bulk of them space run on trails, and also that is among the most amazing features that ultras. If you room considering to run an ultra — or even much shorter distance trail gyeongju — girlfriend will need to obtain used to running on trails as opposed come on the road.

This will certainly involve adjusting her training runs to spend an ext time top top the trails 보다 you do on the asphalt. You deserve to do this slowly or much more quickly, depending on how much time you have to train prior to your 50k race.

How lot should i train for a 50k race?

Advanced runners have the right to train because that a 50k race in 2 come 3 months. Intermediate runners can acquire an sufficient amount of cultivate in roughly 6 months, while runners who are brand-new to 50ks will need up come 9 months to prepare properly.


You need to aim to operation a full distance of in between 40 kilometers (25 miles) and also 100 kilometers (62 miles) per week. 25 miles is adequate once you’re start your training, however you must be hitting the 60-mile note at least 2 or 3 weeks prior to your race.

You have to be maintain 3 time a week in ~ the minimum. 5 times is ideal, through 2 remainder days. This will enable you enough rest, yet you’ll be acquiring a high quantity of maintain in and also building increase strength and also endurance.

The different runs

You won’t have the ability to train the same method you walk for her previous gyeongju if your upcoming race is a new type.

For example, if you last ran a level marathon top top the road and you room aiming for a follow ultra next, you’ll require to readjust your training come spend an ext time top top the trails. If you understand that your following course will have more hills, friend will have to train in a hilly area to gain used come the mechanics.

It is best to focus on long, slow runs fairly than rate work.

You can definitely still incorporate rate work into your training, but only for about 15 percent. You desire to be spending many of your training at 70 come 85 percent of your maximum love rate, which is the endurance zone. Speedwork pushes you right into a higher heart price zone, which has different benefits but may be less useful for this type of training.

If friend run 3 times a week, it’s a great idea to differ your runs once you start. Carry out 1 long slow run, 1 faster and shorter run, and also 1 mid-distance, moderate speed run. If girlfriend run more often, friend can include a medium and also a long run, or two medium and two longer relying on how friend feel.

For example, if you’re starting off to run 30 mile a main divided in between 4 runs, you have the right to do a shorter 5-mile run, 2 tool runs the 7.5 miles each, and a long run that 10 miles. This will boost week through week as you boost your distance and also gain endurance.

The prestige of long runs

An ultra-marathon is long! even if friend aren’t act a 50 or 100-mile run, 31 mile is a significant distance. Incorporating long runs into your training is crucial to construct the necessary endurance.

These long runs will certainly be the hardest component of your training, but they space the many important. This is where psychological fatigue and also physical tiredness will collection in, and also you will require to learn how finest to nourish and nurture her body to be able to power v the street as comfortably as possible.

Because it may take part experimenting, it’s advisable to make your long run the main emphasis of her training. Rise the mileage slowly week by week, making sure you’re constantly improving.


While nutrition is essential to run your ideal race, there’s no need to go stunner and readjust your entirety diet—unless you space eating a diet mostly of rapid food.

If friend are currently eating healthy, there’s no require for correct changes. It’s a good idea to rise your carbohydrate input by 10 or 20 percent, yet make certain that girlfriend aren’t raising your calorie intake. Friend will merely need to tweak your food entry a bit so that you are eating an ext carbs and slightly much less protein and also fat.


You will get benefits native carbo-loading from around a week before the race. The purpose of carbo-loading is to build up glycogen shop in the muscles so that once you’re in the center of a lengthy race and your body demands extra energy, the can accessibility it easily.

This certainly doesn’t mean eating a lot of processed hi-carb food without taking note of nutrients and calories. ~ above carb-heavy days, aim for 70 come 80 percent of your food entry to it is in carbohydrates. They should be healthy carbs, but it’s finest that they are low-sugar and also low-fiber.

Pasta is a great choice, as space vegetables. Fruits deserve to be high in sugar, so be careful which ones you choose.

You should do a mini carbo-load for around 2 days prior to your long run every week. This will provide the power you should see you through the longer sessions. Hydration is also extremely important. It’s a good idea come invest in a hydration load for longer runs so that you don’t have to worry about carrying bottles of water roughly with you.

Strength training

Including toughness training in your routine can develop muscle and also increase your strength, helping your muscles stay solid for longer before they fatigue.

If you can add one or two 20-40 minute strength-training sessions every week, girlfriend can build extra strength. Focus on legs and core, but don’t ignore the top body.

It’s advised that you carry out low to medium-intensity workouts so the you don’t exhaustion yourself and struggle through your running. Aim because that 50 come 70 percent of her maximum effort.


Don’t forget the recovery is as crucial as her training. Every one of your difficult work will go to waste if you aren’t getting good enough rest and also recovery. Together the miles pile up because that ultra training, you’ll feeling the raising need for ideal recovery. Listen to your body.

This is two-fold. Sleep is when your body heals, therefore you should be acquiring your 8 hrs a night in bespeak to store your human body strong. Muscle recovery is the other factor. Stop fatiguing your muscles in your cross-training, and make sure you heat up and cool under properly prior to every run.

It may be way to invest in a foam roller so the you have the right to roll out tense muscles when you need to. Compression gear is especially popular through ultra runners, and also could be helpful. Girlfriend can additionally do one or two yoga sessions per week.

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Enjoying your suffer is the most important part of running. The is why we run!

Training deserve to be tough, and there’s always bound to it is in a challenge along the way, whether it’s physics aches and also pains or breaking with a mental barrier.

Training because that a 50k is a lengthy process. While race day is important, and also it’s what you’re working towards, you should enjoy her training procedure too. ~ all, gyeongju day is only one day, but training is walking to take you months!

Running a good race is a bonus, and also there’s no feeling quite like reaching her goal. However take pride in yourself, keep your expectations realistic, and over all, reap the whole process!